Home / 797,482.12-1,100,610.65-487,566.53

Finding the Fourth Proportional to 797,482.12, 1,100,610.65 and 487,566.53

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Solution

The fourth proportional to 797,482.12, 1,100,610.65 and 487,566.53 is: 672,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,482.12 : 1,100,610.65 = 487,566.53 : x
  2. Step 2: Convert to fraction form
    797,482.12/1,100,610.65 = 487,566.53/x
  3. Step 3: Cross multiply
    797,482.12x = 1,100,610.65 × 487,566.53
  4. Step 4: Simplify right side
    797,482.12x = 536,620,915,501.55
  5. Step 5: Solve for x
    x = 536,620,915,501.55/797,482.12
  6. Step 6: Final answer
    x = 672,893.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.